update Readme (codex-team#667)

* update Readme

* update

README.md

@@ -3,13 +3,14 @@
 [![](https://flat.badgen.net/npm/v/@editorjs/editorjs?icon=npm)](https://www.npmjs.com/package/@editorjs/editorjs)
 [![](https://flat.badgen.net/bundlephobia/min/@editorjs/editorjs?color=cyan)](https://www.npmjs.com/package/@editorjs/editorjs)
 [![](https://flat.badgen.net/bundlephobia/minzip/@editorjs/editorjs?color=green)](https://www.npmjs.com/package/@editorjs/editorjs)
-[![](https://flat.badgen.net/npm/license/@editorjs/editorjs)](https://www.npmjs.com/package/@editorjs/editorjs) [![Join the chat at https://gitter.im/codex-team/editor.js](https://badges.gitter.im/codex-team/editor.js.svg)](https://gitter.im/codex-team/editor.js?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+[![](https://flat.badgen.net/npm/license/@editorjs/editorjs)](https://www.npmjs.com/package/@editorjs/editorjs)
+[![Join the chat at https://gitter.im/codex-team/editor.js](https://badges.gitter.im/codex-team/editor.js.svg)](https://gitter.im/codex-team/editor.js?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 
 ## Version 2.0 is here!
 
 We are glad to introduce the next version of Editor.js. Totally new core, structure and plugins — that was an impressive adventure 🤓.
 
-Welcome to testing stage. Please, join a [public Telegram-chat](//t.me/codex_editor) where you always find a support.
+Join [public Telegram-chat](//t.me/codex_editor) or [Gitter-channel](https://gitter.im/codex-team/editor.js) where you can always find a support.
 
 ### Browsers support